Great Basin pocket mouse
| Great Basin pocket mouse | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Synapsida |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Heteromyidae |
| Genus: | Perognathus |
| Species: | P. parvus |
| Binomial name | |
|
Perognathus parvus (Peale, 1848) |
|
| Synonyms | |
|
Perognathus xanthanotus |
|
Perognathus xanthanotus
The Great Basin pocket mouse (Perognathus parvus) is a species of rodent in the family Heteromyidae. It is found in British Columbia in Canada and the western United States.
There are several subspecies of P. parvus. Sulentich and Genoways and Brown classify the yellow-eared pocket mouse as P. p. xanthonus Grinell, a subspecies of the Great Basin pocket mouse. However, Jones and others classify the yellow-eared pocket mouse as a distinct species, P. xanthonotus (Grinnell).
The Great Basin pocket mouse occurs in the Columbia River Basin and the Great Basin and adjacent lands. It is distributed from south-central British Columbia and eastern Washington south to southeastern California, Nevada and northern Arizona, and east to southeastern Montana and Wyoming. Distribution of subspecies is:
The yellow-eared pocket mouse occurs on the eastern slope of the Tehachapi Mountains in Kern County, California. It is not certain whether its distribution is disjunct or joins that of P. parvus olivaceus.
The Great Basin pocket mouse occupies steppes and open, arid shrublands and woodlands. It most commonly occurs in sagebrush (Artemisia spp.), shadscale (Atriplex confertifolia), and other desert shrublands, and in pinyon-juniper (Pinus-Juniperus spp.) woodland. On the eastern slope of the Cascade Range and the Sierra Nevada, it occurs in ponderosa pine (P. ponderosa) and Jeffrey pine (P. jefferyi) woodlands.Riparian zones may have larger concentrations of Great Basin pocket mice than upland areas.
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